Introduction: Marcelo G. Kohen. Part I. The Foundations of International Law and their Impact on Secession: 1. Secession and self-determination: Christian Tomuschat. 2. Secession, terrorism and the right of self-determination: Andrew Clapham. 3. Secession and external intervention: Georg Nolte. 4. The role of recognition in the law and practice of secession: John Dugard and David Raic. 5. The state as a ´primary fact´: some thoughts on the principle of effectiveness: Theodore Christakis. 6. A normative ´due process´ in the creation of states through secession: Antonello Tancredi. 7. Secession and the law of state succession: Andreas Zimmermann. 8. Are there gaps in the international law of secession?: Olivier Corten. Part II. International and Domestic Practice: 9. The question of secession in Africa: Fatsah Ouguergouz and Djacoba Liva Tehindrazanarivelo. 10. International law and secession in the Asia and Pacific regions: Li-ann Thio. 11. Secession and international law: the European dimension: Photini Pazartzis. 12. Secession and international law: Latin American practice: Frida Armas Pfirter and Silvina Gonzalez Napolitano. 13. Lessons learned from the Quebec secession reference before the Supreme Court of Canada: Patrick Dumberry. 14. The secession of the Canton of Jura in Switzerland: Christian Dominice. Conclusions: Georges Abi-Saab.